Question about Canon PIXMA MP780 All-In-One InkJet Printer

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My MP780 is displaying wrong cartridge, I tried to use the ok button, and tried to turn the printer off and then back on again and the error message won't clear, I even went so far as to take all the cartridges out of the printer and still won't clear the wrong cartridge message. is there anything else I can do?

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I had the same problem on my pixma mp780. I cleaned the printer head. it worked for about a year, but then i had to replace the printer head. after you clean or replace it reboot it.

Posted on Dec 30, 2010

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1 Answer

Cant print. error message wrong cartridge, cant change


try this,
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2: Unplug the AC Power Cord
3: Hold down the RESUME button
4: Release RESUME after plugging in the AC Power cord.
5: Press the RESUME once within 5 seconds and release the RESUME .
6: Press and HOLD RESUME for two seconds or more and release it.
7: Press and HOLD RESUME for two seconds or more and release it.
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You get that message when the printhead goes bad. It's not the ink cartridges. You need a new printhead
# QY6-0049-000 around $60.00

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Mp780 wrong cartridge error


Try to reset to factory .
Remove ink cartridges and print head.
Power off machine and unplug for 10-15 minutes.
Restart machine and install head and cartridges.

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It is probably one of the cartridges. Usually, when the message "wrong cartridge" appears, the cartridge is faulty.

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Just do 2 steps:

1. Press Stop.
2. If the display highlight "Resume". Press the OK (Check Button).

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"Wrong Cartridges" Error HP C5180 now Failed ink system.


Please perform the following steps:


A. - Press and hold the “left arrow” key.
B. - Press the “Setup” key and release both keys.
Display should say “Enter Special Key Combo”
C. - Press and release the “OK” button

Display should say “Support” and display the FW rev (something like R0616R)


Now, perform the following instructions:
1. Press and release the right arrow button until the displaysays “System Configuration Menu” 2. Press and release the “OK” button.3. Display should say “Hardware failure status”. If not there already, Arrow Key over to “Hardware failure status”,
4. Press and release the “OK” button.5. Display should say “Hardware failure status: Clear. Press OK to clear”.6. Press and release the “OK” Button. Message changes to “Hardware failure status Cleared. Press Cancel to continue”.7. Press and release the “CANCEL” button as many times as necessary, so that, either the “Welcome to Photosmart Express” screen appears, or, the “Ink System Failure” screen appears. PLEASE DO NOT TRY TO PRINT AT THIS STAGE.8. Using the Power Button, turn the unit OFF and unplug the power cable from back of the printer and wall outlet.9. Wait 30 seconds for the power to get discharged and then plug the power cable into the wall outlet first and then into the back of the printer10. Turn the unit on. The printer may display message “USE POWER BUTTON TO SHUTDOWN THE PRINTER” followed by “PRESS OK TO CONTINUE”. Press OK. 11. If the printer has already initialized, then go to the next step. If not, the printer will start the “ONE TIME INK INITIALIZATION PROCESS”. Allow this process to complete and do not interrupt. Once the initialization process is complete, the printer will print out a Diagnostic Page.
12. To verify printer functionality print a SELF TEST PAGE. If SELF TEST prints, then printer is ready for use or Software Installation.13. If the error is still there, or reoccurs replace the unit.

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PIXMA MP780 "WRONG CARTRIDGE" MESSAGE?


PIXMA MP780 "WRONG CARTRIDGE" MESSAGE?
Here is what I did and it now works just fine.I turned off the printer and unplugged the power cord, and unplugged it from my computer. I then removed all the ink cartriges and removed the print Head I got some rubbing alcohol put it on some toilet paper and wiped down the back and bottom of the print head.Plugged everything back in and It now works better then ever.

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Issue: ERROR LCD: PUT IN CARTRIDGE
Solution: Press ON/OFF switch to reset the multifunction device

Reset the device when it is not functioning properly. If the device is not functioning properly or to clear memory, reset it.
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  2. Wait approximately ten seconds and then press the <ON/OFF> button again.

  3. Wait until the device has completed its cycling process before submitting another job request.

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